From 5ce5a1586d8c67affa604dedf0faa2c5a02ecab5 Mon Sep 17 00:00:00 2001
From: Tim Duesterhus <tim@bastelstu.be>
Date: Sun, 3 Jan 2021 22:54:43 +0100
Subject: [PATCH] BUG/MINOR: cfgparse: Fail if the strdup() for `rule->be.name`
 for `use_backend` fails

This patch fixes GitHub issue #1024.

I could track the `strdup` back to commit
3a1f5fda109fc56ae127d03eaf34ce027c9542e1 which is 1.9-dev8. It's probably not
worth the effort to backport it across this refactoring.

This patch should be backported to 1.9+.
---
 src/cfgparse-listen.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cfgparse-listen.c b/src/cfgparse-listen.c
index 6678e15d1..588ff9704 100644
--- a/src/cfgparse-listen.c
+++ b/src/cfgparse-listen.c
@@ -1510,6 +1510,10 @@ int cfg_parse_listen(const char *file, int linenum, char **args, int kwm)
 		}
 		rule->cond = cond;
 		rule->be.name = strdup(args[1]);
+		if (!rule->be.name) {
+			ha_alert("Out of memory error.\n");
+			goto out;
+		}
 		rule->line = linenum;
 		rule->file = strdup(file);
 		if (!rule->file) {